162306a36Sopenharmony_ci/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * This header provides constants for rt4831 backlight bindings. 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (C) 2020, Richtek Technology Corp. 662306a36Sopenharmony_ci * Author: ChiYuan Huang <cy_huang@richtek.com> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef _DT_BINDINGS_RT4831_BACKLIGHT_H 1062306a36Sopenharmony_ci#define _DT_BINDINGS_RT4831_BACKLIGHT_H 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#define RT4831_BLOVPLVL_17V 0 1362306a36Sopenharmony_ci#define RT4831_BLOVPLVL_21V 1 1462306a36Sopenharmony_ci#define RT4831_BLOVPLVL_25V 2 1562306a36Sopenharmony_ci#define RT4831_BLOVPLVL_29V 3 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci#define RT4831_BLED_CH1EN (1 << 0) 1862306a36Sopenharmony_ci#define RT4831_BLED_CH2EN (1 << 1) 1962306a36Sopenharmony_ci#define RT4831_BLED_CH3EN (1 << 2) 2062306a36Sopenharmony_ci#define RT4831_BLED_CH4EN (1 << 3) 2162306a36Sopenharmony_ci#define RT4831_BLED_ALLCHEN ((1 << 4) - 1) 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci#endif /* _DT_BINDINGS_RT4831_BACKLIGHT_H */ 24